Silane Coatings for Corrosion and Microbiologically Influenced Corrosion Resistance of Mild Steel: A Review

Mild steel continues to be the most extensively used construction material in several industries and constructions. However, corrosion of mild steel in aggressive environments is a major concern. Under the tremendously increasing demand for improving the coatings strategies because of the environmen...

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Bibliographic Details
Published in:Materials 2022-11, Vol.15 (21), p.7809
Main Authors: Al-Saadi, Saad, Singh Raman, R. K.
Format: Article
Language:English
Subjects:
Acids
Aluminum oxide
Biological products
Carcinogens
Cerium oxides
Coatings
Condensates
Construction materials
Corrosion
Corrosion resistance
Corrosion resistant steels
Hydrolysis
Low carbon steels
Metal oxides
Metal surfaces
Metals
Paints
Protective coatings
Review
Silane
Silanes
Silicon dioxide
Steel
Titanium dioxide
Two dimensional materials
Zirconium dioxide
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Summary:Mild steel continues to be the most extensively used construction material in several industries and constructions. However, corrosion of mild steel in aggressive environments is a major concern. Under the tremendously increasing demand for improving the coatings strategies because of the environmental concerns due to some of the traditional coatings, silane pre-treatments have been emerging as one of the effective solutions, among other strategies. Different approaches, such as adding particles of metal oxide (such as SiO2, ZrO2, Al2O3, TiO2 and CeO2), incorporating plant extracts and impregnating 2D materials into the coatings, have been employed for durable corrosion resistance, including for mitigating enhanced corrosion due to the presence of bacteria. This review discusses the critical mechanistic features of silane coatings such as the role of hydrolysis and condensation in the bonding of silanes with metal surfaces. The factors that influence the performance of the silane coatings for corrosion resistance of mild steel are discussed. In particular, this review provides insight into silane coatings for mitigating microbiologically influenced corrosion (MIC) of mild steel.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15217809